Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nam thuc » nam thuoc, am thuc, nam thu
hanh tai » thanh tai, hang tai, han tai
thi hang » thi hanh, thi nang, thi hong
hanh vai » hanh vi, hanh va, hanh van
thuc dan » thuc hanh, hoc dan, thuc vat
te sach » toc sach
hieu le » hieu ve, hieu he, hieu ly
hang xa » hoang xa, hang va, hang ca
su sach » so sach, vu sach
le nam » ly nam, he nam, le na

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (su sach)) thi hang xa hoi. hieu le nam thuc dan ((hanh vai) OR (hanh tai)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (su sach)) thi hang xa hoi. hieu le nam thuc dan ((hanh vai) OR (hanh tai)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (su sach)) thi hang xa hoi. hieu le nam thuc dan ((hanh vai) OR (hanh tai)) cua triet".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (su sach)) thi hang xa hoi. hieu le nam thuc dan ((hanh vai) OR (hanh tai)) cua triet*.